this is At&t 10k form

calulate the following ratios for the most recent year (2019)

A. Current Ratio

B. Quick Ratio

C. Debt to assets

please show work

Consolidated Balance Sheets December 31. 2019 2015 5:204 26472 12/2014 $1427 7.213 131.473 146,170 12,130 S 22.636 1.631 18,364 54.761 12,434 130.128 1:46,241 97,907 23,567 15345 20,798 3,695 24.039 22.754 551.6695 20345 17.069 26269 6245 24802 $31.864 Assets Current Assets Cash and cash equivalents Accounts receivable - net of allowances for doubtful accounts of S1, 235 and 3907 Prepaid expenses Other current assets Total current assets Noncurrent inventories and theatrical film and television production costs Property, Plant and Equipment - Net Goodwill Licenses Net Trademarks and Trade Names - Net Distribution Networks - Net Other Intangible Assets - Net Investments in and Advances to Equity Afiliates Operating lease right of use assets Other Assets Total Assets Liabilities and Stockholders' Equity Current Liabilities Debt maturing within one year Accounts payable and accrued liabilities Advanced billings and customer deposits Accrued taxes Dividends payable Total current liabilities Long Term Debt Deferred Credits and other Noncurrent Liabilities Deferred income taxes Postcmployment benefit obligation Operating lease liabilities Other noncurrent liabilities Total deferred credits and other noncurrent liabilities Stockholders' Equity Preferred stock (si par value, 3% cumulative, 10,000,000 authorized, 48.000 shares issued and outstanding at December 31, 2019 and issued and outstanding at December 31, 2018) Common stock (si par valse, 14.000.000.000 authorized at December 31, 2019 and December 31, 2018 issued 7.620,748,598 at December 31, 2019 and at December 31, 2018) Additional paid.in capital Retained earnings Treasury stock (366,193.458 at December 31, 2019 and 339,120,073 at December 31, 2018, at cost) Accumulated other comprehensive income Noncontrolling interest Total stockholders' equity Total Liabilities and Stockholders' Equity Thromanin totes are an integral part of the consolidated financial statements 11,8385 45,956 6.124 1,212 3.781 68,911 151,309 10255 43,134 5.955 1.129 3.854 64420 166250 $7.859 19,218 $9.5O2 18,788 21.800 29.421 129.515 30.233 107310 7,621 126,279 57,936 7.621 125 525 58753 (13.085 5.470 17,713 201,934 551.669 12.059 249 2.295 193.434 S s